Andy has set a goal to be able to run 65 laps on the PACER by the end of the school year. This is an example of a . 1. short-term goal

2. improvement plan

3. long-term goal

4. none of the above

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.